[not for review] Add Draw entries to window Performance Timeline

Source/core/timing/PerformanceDrawTiming.h

Index: Source/core/timing/PerformanceDrawTiming.h
diff --git a/Source/core/timing/PerformanceEntry.h b/Source/core/timing/PerformanceDrawTiming.h
similarity index 56%
copy from Source/core/timing/PerformanceEntry.h
copy to Source/core/timing/PerformanceDrawTiming.h
index 1981103cf915b2145c84c74f7d0194c86c215b70..a6ed185e85cefb69e8a7a55f91e05948eea86e00 100644
--- a/Source/core/timing/PerformanceEntry.h
+++ b/Source/core/timing/PerformanceDrawTiming.h
@@ -29,47 +29,55 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef PerformanceEntry_h
-#define PerformanceEntry_h
+#ifndef PerformanceDrawTiming_h
+#define PerformanceDrawTiming_h
 
-#include "bindings/core/v8/ScriptWrappable.h"
+#include "core/timing/PerformanceEntry.h"
 #include "platform/heap/Handle.h"
 #include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
-#include "wtf/text/WTFString.h"
+#include "wtf/RefPtr.h"
 
 namespace WebCore {
 
-class PerformanceEntry : public RefCountedWillBeGarbageCollectedFinalized<PerformanceEntry>, public ScriptWrappable {
-public:
-    virtual ~PerformanceEntry();
-
-    String name() const;
-    String entryType() const;
-    double startTime() const;
-    double duration() const;
+class Document;
+class KURL;
+class ResourceLoadTiming;
+class ResourceRequest;
+class ResourceResponse;
+class ResourceTimingInfo;
 
-    virtual bool isResource() { return false; }
-    virtual bool isMark() { return false; }
-    virtual bool isMeasure() { return false; }
+class PerformanceDrawTiming FINAL : public PerformanceEntry {
+public:
+    static PassRefPtrWillBeRawPtr<PerformanceDrawTiming> create(Document* requestingDocument, unsigned sourceFrame, double startTime, bool isFinal)
+    {
+        return adoptRefWillBeNoop(new PerformanceDrawTiming(requestingDocument, sourceFrame, startTime, isFinal));
+    }
 
-    static bool startTimeCompareLessThan(PassRefPtrWillBeRawPtr<PerformanceEntry> a, PassRefPtrWillBeRawPtr<PerformanceEntry> b)
+    static PassRefPtrWillBeRawPtr<PerformanceDrawTiming> create(Document* requestingDocument, unsigned sourceFrame, double startTime)
     {
-        return a->startTime() < b->startTime();
+        return adoptRefWillBeNoop(new PerformanceDrawTiming(requestingDocument, sourceFrame, startTime, false));
     }
 
-    virtual void trace(Visitor*) { }
+    unsigned sourceFrame() const;
 
-protected:
-    PerformanceEntry(const String& name, const String& entryType, double startTime, double finishTime);
+    bool isFinal() const;
+
+    virtual bool isDraw() OVERRIDE { return true; }
+
+    virtual void trace(Visitor* visitor)
+    {
+        PerformanceEntry::trace(visitor);
+    }
 
 private:
-    const String m_name;
-    const String m_entryType;
-    const double m_startTime;
-    const double m_duration;
+    PerformanceDrawTiming(Document* requestingDocument, unsigned sourceFrame, double startTime, bool isFinal);
+    virtual ~PerformanceDrawTiming();
+
+    unsigned m_sourceFrame;
+    bool m_isFinal;
+    RefPtr<Document> m_requestingDocument;
 };
 
 }
 
-#endif // !defined(PerformanceEntry_h)
+#endif // !defined(PerformanceDrawTiming_h)